Test Failure: `BackgroundCompilation Test Suite` - `after all` failed on `Windows 6.0 and 6.1`

[award999]

Failure logs

  1) BackgroundCompilation Test Suite
       "after each" hook for "build all on save @slow":
     Error: Timed out waiting for tasks to complete. The following 1 tasks are still running: swift: Build All (defaultPackage).
      at Timeout._onTimeout (d:\a\vscode-swift\vscode-swift\test\utilities\tasks.ts:112:21)
      at listOnTimeout (node:internal/timers:588:17)
      at processTimers (node:internal/timers:523:7)

Link to failed run: GitHub Actions Link

Additional context
CI verifier was not failing for windows test failures

Related test failures
N/A